Chain hoist



FIG. 1 is a perspective view of a chain hoist;

FIG. 2 is an front planar view of the chain hoist;

FIG. 3 is a left planar view of the chain hoist;

FIG. 4 is a right planar view of the chain hoist;

FIG. 5 is a top planar of the chain hoist; and,

FIG. 6 is a bottom planar of the chain hoist. 

CLAIM The ornamental design for a chain hoist, as shown and described. 